56670743 has 4 divisors (see below), whose sum is σ = 57172368. Its totient is φ = 56169120.

The previous prime is 56670721. The next prime is 56670773. The reversal of 56670743 is 34707665.

56670743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56670743 - 2¹⁰ = 56669719 is a prime.

It is a super-2 number, since 2×56670743² = 6423146224344098, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56670697 and 56670706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56670773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250643 + ... + 250868.

It is an arithmetic number, because the mean of its divisors is an integer number (14293092).

Almost surely, 2^56670743 is an apocalyptic number.

56670743 is a deficient number, since it is larger than the sum of its proper divisors (501625).

56670743 is a wasteful number, since it uses less digits than its factorization.

56670743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501624.

The product of its (nonzero) digits is 105840, while the sum is 38.

The square root of 56670743 is about 7527.9972768327. The cubic root of 56670743 is about 384.1076606945.

The spelling of 56670743 in words is "fifty-six million, six hundred seventy thousand, seven hundred forty-three".